Games like DG2: Defense Grid 2 on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like DG2: Defense Grid 2 are available at the bottom of the page.
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...Sanctum
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.Axon TD: Uprising - Tower Defense
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.Worbital
With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!Fortified
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.Space Engineers
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!Castle Story
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.Sanctum 2
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.Gratuitous Space Battles
Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.Eden Rising
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!Time Rifters
Be your own teammates in this unique single-player co-op shooter!Out of Space
Strategy co-op online multiplayer game about living on a spaceship with your roommates. You'll need to generate resources, take care of a deadly alien infestation, upgrade your appliances and build your sustainable space home. Living together is never easy, especially when you are in outer space!Stellar Warfare
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!Istrolid
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.ENDLESS™ Space 2
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?Planetary Annihilation: TITANS
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!Aegis Defenders
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.Beware Planet Earth
Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!Dungeon of the ENDLESS™
Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!X-Morph: Defense
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.CRYPTARK
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.Most played games like DG2: Defense Grid 2 on Steam
Take a look at the top games like DG2: Defense Grid 2 that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.
1. Satisfactory
Similarity 67% Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven! Satisfactory is a base-building, automation and open world game developed by Coffee Stain Studios and published by Coffee Stain Publishing. Released on September 10th 2024 has received 228,332 reviews of which 221,780 were positive and 6,552 were negative resulting in an impressive rating of 9.6 out of 10. The game has hit the top spot as the #1 most played game like DG2: Defense Grid 2, thanks to its 15,164 peak concurrent players over the last day.2. Oxygen Not Included
Similarity 66% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,145 reviews of which 123,019 were positive and 4,126 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,534 players online at once in the last 24 hours, this game is currently ranked #2 among games like DG2: Defense Grid 2 based on player count.3. Space Engineers
Similarity 76% Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,727 reviews of which 116,631 were positive and 15,096 were negative resulting in a rating of 8.7 out of 10. While seeing 3,101 players online at once in the last 24 hours, this game is currently ranked #3 among games like DG2: Defense Grid 2 based on player count.4. ASTRONEER
Similarity 62% Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends. ASTRONEER is a multiplayer, open world and open world survival craft game developed and published by System Era Softworks. Released on February 05th 2019 has received 127,856 reviews of which 117,817 were positive and 10,039 were negative resulting in an impressive rating of 9.1 out of 10. With 2,106 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like DG2: Defense Grid 2.5. STAR WARS™ Empire at War - Gold Pack
Similarity 66% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 38,771 reviews of which 37,851 were positive and 920 were negative resulting in an impressive rating of 9.6 out of 10. With 1,640 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like DG2: Defense Grid 2.6. Star Trek Online
Similarity 64% In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before. Star Trek Online is a free to play, sci-fi and massively multiplayer game developed by Cryptic Studios and published by Arc Games. Released on January 31st 2012 has received 20,017 reviews of which 15,828 were positive and 4,189 were negative resulting in a rating of 7.8 out of 10. With 1,126 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like DG2: Defense Grid 2.7. Supreme Commander: Forged Alliance
Similarity 66% The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike. Supreme Commander: Forged Alliance is a strategy, rts and sci-fi game developed by Gas Powered Games and published by Square Enix. Released on September 28th 2011 has received 13,370 reviews of which 12,950 were positive and 420 were negative resulting in an impressive rating of 9.4 out of 10. With 667 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like DG2: Defense Grid 2.8. Mindustry
Similarity 66% An open-ended factory management game with RTS and tower defense elements. Mindustry is a base-building, resource management and tower defense game developed and published by AnukenDev. Released on September 26th 2019 has received 21,477 reviews of which 20,586 were positive and 891 were negative resulting in an impressive rating of 9.4 out of 10. With 485 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like DG2: Defense Grid 2.9. Cosmoteer: Starship Architect & Commander
Similarity 66% Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars! Cosmoteer: Starship Architect & Commander is a sci-fi, singleplayer and 2d game developed and published by Walternate Realities. Released on October 24th 2022 has received 10,940 reviews of which 10,407 were positive and 533 were negative resulting in an impressive rating of 9.2 out of 10. With 432 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like DG2: Defense Grid 2.10. ENDLESS™ Space 2
Similarity 73% ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire? ENDLESS™ Space 2 is a strategy, space and sci-fi game developed by AMPLITUDE Studios and published by SEGA. Released on May 18th 2017 has received 22,087 reviews of which 18,447 were positive and 3,640 were negative resulting in a rating of 8.2 out of 10. With 403 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like DG2: Defense Grid 2.Best deals on games like DG2: Defense Grid 2 on Steam
Discover fantastic savings with the best discounts on a variety of games like DG2: Defense Grid 2 available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like DG2: Defense Grid 2.
1. We Are The Dwarves
Similarity 69% We Are The Dwarves is a real-time tactical adventure where you take control of three Dwarven astronauts and lead them through the hordes of enemies in the depths of their Universe. We Are The Dwarves is a indie, adventure and action game developed and published by Whale Rock Games. Released on February 25th 2016 has received 1,314 reviews of which 891 were positive and 423 were negative resulting in a rating of 6.6 out of 10. Featuring a massive 97% discount, this game currently holds the #1 spot in the best deals for games like DG2: Defense Grid 2.2. Battlestar Galactica Deadlock
Similarity 64% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,427 reviews of which 2,881 were positive and 546 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 96% discount, this game is now the #2 best deal in games like DG2: Defense Grid 2.3. Deathtrap
Similarity 64% Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood. Deathtrap is a tower defense, rpg and action game developed and published by NeocoreGames. Released on February 04th 2015 has received 2,185 reviews of which 1,833 were positive and 352 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like DG2: Defense Grid 2.4. Planets Under Attack
Similarity 63% Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies. Planets Under Attack is a strategy, indie and space game developed by Targem Games and published by TopWare Interactive. Released on September 27th 2012 has received 1,115 reviews of which 806 were positive and 309 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like DG2: Defense Grid 2.5. I am not a Monster: First Contact
Similarity 70% Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures. I am not a Monster: First Contact is a turn-based tactics, strategy and sci-fi game developed by Cheerdealers and published by Alawar. Released on September 27th 2018 has received 1,255 reviews of which 965 were positive and 290 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like DG2: Defense Grid 2.6. Anomaly 2
Similarity 67% Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode. Anomaly 2 is a strategy, action and indie game developed and published by 11 bit studios. Released on May 15th 2013 has received 1,017 reviews of which 804 were positive and 213 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like DG2: Defense Grid 2.7. Bloodsports.TV
Similarity 71% Co-Op Hero Defense set in a deadly post-apocalyptic Sweden. Team up with your friends and protect the Missile Silo against horrific beasts and outlaws. Bloodsports.TV is a action, hack and slash and indie game developed by Toadman Interactive and Fatshark and published by Fatshark. Released on March 30th 2015 has received 651 reviews of which 508 were positive and 143 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like DG2: Defense Grid 2.8. HERO DEFENSE
Similarity 69% CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 470 were positive and 277 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like DG2: Defense Grid 2.9. Orcs Must Die! 2
Similarity 69% You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment. Orcs Must Die! 2 is a tower defense, co-op and action game developed and published by Robot Entertainment. Released on July 30th 2012 has received 19,233 reviews of which 17,879 were positive and 1,354 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 88% discount, this title has earned the #9 position in the best deals for games like DG2: Defense Grid 2.10. Space Run
Similarity 71% Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space! Space Run is a tower defense, strategy and space game developed by Passtech Games and published by Focus Entertainment. Released on June 13th 2014 has received 2,079 reviews of which 1,779 were positive and 300 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 85% discount, this title has earned the #10 position in the best deals for games like DG2: Defense Grid 2.Free games like DG2: Defense Grid 2 on Steam
Check out this fantastic list of free-to-play games like DG2: Defense Grid 2 you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like DG2: Defense Grid 2.